{"id":164790,"url":"https://alion.io/job/relx-senior-data-scientist-iii","title":"Senior Data Scientist III","company":{"id":3770,"name":"RELX","domain":"relx.com","url":"https://alion.io/company/relx","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":85,"open_postings":126,"ghost_share":0,"stale_share":0.611,"repost_share":0.008,"time_to_fill_p50_days":40,"computed_at":"2026-11-01T06:10:25Z"}},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Shanghai, China"],"countries":["CN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":29000,"max_usd":62000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":16},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"A/B Testing","optional":false},{"name":"Anthropic","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"GCP","optional":false},{"name":"LLM","optional":false},{"name":"Machine Learning","optional":false},{"name":"NLP","optional":false},{"name":"OpenAI","optional":false},{"name":"Prompt Engineering","optional":false},{"name":"Python","optional":false},{"name":"RAG","optional":false}],"status":"live","first_seen_at":"2026-06-15T00:00:00Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-11-02T03:04:36Z","board_verified":true,"closed_at":null,"days_open":140,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":139},"description":"Senior Data Scientist III\nJob Description\nKey Responsibilities\nTechnical Leadership\nLead end-to-end development of advanced AI models (e.g.,LLM, NLP, classification, regression, deep learning).\nArchitect scalable model pipelines and data workflows in cloud-based environments.\nEstablish best practices in model validation, explainability, fairness, and governance.\nConduct rigorous experimentation, A/B testing, and performance monitoring.\nDrive research into emerging AI techniques and evaluate applicability to LexisNexis products.\nProduct & Business Impact\nPartner with Product, Engineering, and Business stakeholders to translate requirements into analytical solutions.\nIdentify opportunities to enhance risk scoring, entity resolution, legal analytics, fraud detection, compliance monitoring, or related product areas.\nPresent insights and recommendations to senior leadership and non-technical audiences.\nEnsure models meet regulatory, compliance, and ethical AI standards.\nData & Platform Excellence\nWork with structured and unstructured data, including legal texts, transactional data, and graph-based datasets.\nCollaborate on data engineering strategies to ensure high-quality, scalable datasets.\nOptimize model performance for production deployment.\nImplement monitoring frameworks to ensure model robustness and stability.\nMentorship & Influence\nMentor and coach junior and mid-level data scientists.\nLead code reviews and promote reproducible research practices.\nContribute to strategic roadmap planning for data science initiatives.\nAct as a subject matter expert in advanced analytics within the organization.\nRequired Qualifications\nMaster’s or PhD in Computer Science, Artificial Intelligence, Machine Learning, Natural Language Processing, or a related quantitative field.\n8+ years of progressive experience in data science, applied machine learning, or AI engineering roles, with demonstrated ownership of production-grade systems.\n3+ years of hands-on experience designing and deploying LLM-based systems or advanced NLP solutions within enterprise-scale products.\nStrong programming proficiency in Python and deep experience with modern ML/NLP frameworks and tooling.\nDemonstrated technical expertise in:Deep understanding of LLM capabilities, limitations, and mitigation strategies across commercial (e.g., OpenAI, Anthropic) and open-source models\nDesign and implementation of Retrieval-Augmented Generation (RAG) architectures\nAgent orchestration frameworks and multi-step tool-using agents\nPrompt engineering, systematic prompt evaluation, and optimization methodologies\nEmbedding models, vector databases, and semantic retrieval techniques\nStrong understanding of model evaluation methodologies\n\nProven experience deploying, monitoring, and optimizing AI systems in cloud environments (AWS, Azure, or GCP).\nStrong written and verbal communication skills in English, with the ability to effectively collaborate across global teams.\n\nWe know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Clickhereto access benefits specific to your location.\nWe are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120.\nCriminals may pose as recruiters asking for money or personal information. We never request money or banking details from job applicants. Learn more about spotting and avoiding scamshere.\nPlease read our Candidate Privacy Policy.\nWe are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law.\nUSA Job Seekers:\nEEO Know Your Rights.","description_format":"text","description_chars":4032,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Publishing","Exhibitions","Legal Software","Financial Data & Market Intelligence"],"lifecycle":[{"event":"open","at":"2026-06-15T00:00:00Z"}],"visa":[],"liveness":{"score":12,"band":"cold","label":"Long shot","p_open":1,"p_active":0.421,"p_room":0.28,"age_days":139,"expected_fill_days":40,"reasons":["conf:0","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-11-01T06:10:25Z"},"pay":null,"html_url":"https://alion.io/job/relx-senior-data-scientist-iii","json_url":"https://alion.io/job/relx-senior-data-scientist-iii.json","meta":{"generated_at":"2026-11-02T03:53:06Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":5683,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-03T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":3770},"rest":"https://alion.io/mcp/rest/get_company?id=3770"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Frelx-senior-data-scientist-iii"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Frelx-senior-data-scientist-iii"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Frelx-senior-data-scientist-iii"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/relx-senior-data-scientist-iii\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frelx-senior-data-scientist-iii"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":164790}},{"tool":"search_jobs","arguments":{"company":"relx.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":164790},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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